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Two stable isotopes of lithium and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium. Ans)(6.01512*7.5/100)+(7.01600*92.5/100)=6.940934
(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
Explain Simple Pendulum Simple Pendulum : The A point mass suspended by a weight less and inextensible string to a friction less support is known as a Simple pendulum.
In two-dimension motion a body go in a plane. e.g. a particle rolling in a circle, a cricket ball caught by a fielder. In the first case the body can go round with a fix velocity o
Describe the principle construction and working of a scintillation counter. With suitable diagram explain various components of a scintillation counting system. Principle Sci
A certain particle has a lifetime of 1.00 x10 -7 s when measured at rest. How far does it go before decaying if its speed is 0.99c when it is created? The lifetime of particle
Example 1:How far in meters does light travel in one year? Solution: 299,792,458m x 31,557,600s =9.461 x 10 to the power of15 Question, while i understand the above, why can we
to find neuteral point of earth
is it the current or the voltage which is responsible for electrc shock?
why one side of glass has been coated with silver..?
kilogram; kg: The basic SI unit of mass, that only SI unit which still maintained by a physical artifact: a platinum-iridium bar kept in the International Bureau of Weights an
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